Learning Paths (0)
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Practice Paths (0)
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Contests (53)
September Lunchtime 2022 Division 4 (Rated) (Based on EJOI)
Sleep deprivation, Flip the cards, Equalize AB, Stick Break, Permutation Creation
Starters 58 Division 3 (Rated)
Break the elements, Equivalent Numbers, Remove Bad elements
Starters 59 Division 3 (Rated)
Chef and Happy String , Maximum Subarray , Suspense String, Confusing Concatenations, Alternative Sufferings
Starters 75 Division 2 (Rated)
Prefix Ones, Three Powers of Two
Starters 84 Division 2 (Rated)
Max count of 1, Digit Operation, Max Binary, Chef And Adjacent Sums
Starters 87 Division 2 (Rated)
Inversions of subsequences, Existence, AB plus C
Starters 90 Division 2 (Rated)
Crushed Apples and a Balance Scale, Sum of Goodness, Printing Binary Array, Anti Palindrome
Starters 97 Division 2 (Rated)
Schrodinger Smiley, No Palindrome, Triplets Min
Starters 102 Division 2 (Rated)
Parity Permutation, Bit Play
Starters 125 Division 2 (Rated)
Bucket Game, Operating on A, Fake Certificate, Binary Minimal
Starters 126 Division 2 (Rated)
Freedom, Permutation Disturbance, Triangular Swaps
Starters 127 Division 2
Superincreasing, Anti-Triangle
Starters 128 Division 2 (Rated)
Binary Substring, XOR And Multiply, MEXimize the Array, Disjoint Non-Decreasing Array
Starters 129 Division 2 (Rated)
Palindromic Substrings, Ballon d Or
Starters 130 Division 2 (Rated)
Make Equal, Alternating Binary String, Good Binary String
Starters 132 Division 2 (Rated)
ALIEN-OR, Optimal Flip, GAME 11
Starters 134 Division 2 (Rated)
Origin, Rock Paper Scissors, 3out1in
Starters 136 Division 2 ( Rated )
Sum of Modes, My First Geometry Problem
Starters 141 Division 2 (Rated)
Redundant Array
Starters 147 Division 2 (Rated till 5 stars)
Truth Teller And Liars 101, Independence Day 101, Non-Primes 101, Shortest Distances 101, Gold Coins 101
Starters 148 Division 2 (Rated)
FightBots
Starters 149 (Rated)
Easy Subarray Sum, Maximise Sum, Chef Loves Beautiful Strings (Easy Version)
Starters 150 (Rated)
Equal Pairs (Hard), Find Multiset State, Equal Pairs (Easy)
Starters 152 (Rated)
Maximize Hamming Distance, Anti-Palindrome Queries, Range Minimize
Starters 153 (Rated)
Butterfly, Another Game, Colorful Tree (Easy Version), Xometry (Easy Version)
Starters 154 (Rated)
GCD and XOR, Triangle Count (Easy), Add 1 or 2 Game
Starters 155 (Rated)
GCD to 1 (Easy), GCD to 1 (Hard), Prefix Suffix Min Max, Array Concatanation
Starters 156 (Rated)
Count Triplets, Balance Difficulties, Interval Cliques, Partition Score, Even Numbers Hate
Starters 157 (Rated)
Small, Smaller, Smallest, Unmedian, Not-too-far Replacement
Starters 158 (Rated)
Largest Subsequence, XOR Smaller, Buying Game, Multiply 2 to Minimize
Starters 161 (Rated)
Temporary Temperature, Red-Blue Sort, Two Cards
Starters 163 (Rated)
Tree Sum is Fun !, Nice Array, Minimum Types, Sort Them
Starters 165 (Rated)
Stable Array, Bulk Discount
Starters 166 (Rated)
All Equal, Distinct Power, Divisors Array (Hard Version), Divisors Array (Easy Version), Costly Permutations, Chefland Library
Starters 167 (Rated)
Temperature Balance, Lottery Tickets, Delete Not Equal, Grid Construction (Even), Grid Construction (Odd)
Starters 168 (Rated)
No Two Alike, Binary Removals, Make Odd
Starters 169 (Rated)
Constant Subsequence, Hamming equivalent, Make K Most Frequent
Starters 170 (Rated)
Crazy Jumping Frogs, qUiRkY qUesTs (Easy), Monster Monster
Starters 171 (Rated)
Swish Game, Advitiya Security Vault, Strange Nim Game, White Wall, Volcanic Eruption
Starters 172 (Rated)
Transform String, AndOr, Streak Star, Tactical Removal
Starters 173 (Rated upto < 2700)
Cool Subsequences, Introverts, Min-Max Product Partition, Time Penalty, Overwrite
Starters 175 (Rated till 5 stars)
Alternate It!, Multiplexer
Starters 176 (Rated till 4 star)
Same And, Friendly Binary Strings, Mex-P Tree (Hard), Costly Summit, Mex-P Tree (Easy)
Starters 177 (Rated till 5 star)
Blocks on a Tree, Sum By OR, Flip or Reverse, Counting 01 and 10
Starters 178 (Rated till 6 star)
Smoothly Increasing , Big Difference
Starters 180 (Rated till 6 star)
Balls and Boxes, Shall we play a game, Huh, Easy, Counting Problem
Starters 181 (Rated for all)
Costly Swapping, The Best Matrix, Tree Colouring (Hard), Flip Prefix
Starters 183 (Rated till 6 star)
Complete MST
Starters 184 (Rated till 5 star)
Second MEX, Adjacent OR, Front or Back, Double or Append
Starters 185 (Rated till 5 star)
Range Maximum Deconstruction (Hard), GCD Summation, Asymmetric Cookies, Array Deletion Game, Range Maximum Deconstruction (Easy)
Starters 186 (Rated till 6 star)
XOR with Add X, Distinct Arrays , Segment Tree Reconstruction, Mod and Make Y
Starters 187 (Rated till 6 star)
OR What, Distinct Representations
Starters 189 (Rated till 5 star)
Number Walks, Blocks in a String, Create Binary String, Avoid Primes, Sortable Subarrays (Easy)
Starters 190 (Rated till 5 star)
GCD Equals Mex, Subsequence Sort, Min-Max Deletion
Starters 191 (Rated till 6 star)
Add 1 or 2, Coloured Array, Grid Path (Easy), Grid Path (Hard), Permuted Greater than 2
Starters 195 (Rated till 5 star)
String Deletions, Count the Functions, Game (Easy), Game (Hard)
Starters 203 (Rated till 5 star)
Subsequences of Subsequences, MEX on Ranges, Set To Median, Maximum MST
Starters 206 (Rated till 5 star)
Cyclic Shift Minimization, Product Equal Sum, Min Steps, Gladiator Fighting
Total Problems Solved: 238
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